Description

2-Hexynoic Acid is a versatile alkyne-containing carboxylic acid, serving as a valuable building block in organic synthesis. Its terminal alkyne and carboxylic acid functionalities make it a crucial intermediate for constructing more complex molecules through reactions like Sonogashira coupling and amide bond formation. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key synthon for the production of active pharmaceutical ingredients (APIs), particularly those requiring alkyne motifs for further functionalization.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or precursor for specialty polymers and liquid crystal materials with tailored properties.
• Organic Synthesis Building Block: Employed in Sonogashira cross-coupling, click chemistry, and esterification reactions to create complex molecular architectures.
• Flavor & Fragrance Ingredient: Acts as a precursor for synthesizing specific esters and compounds used in aroma formulations.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and methodologies.

Basic Information

Product Name	2-Hexynoic Acid
CAS No.	764-33-0
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	Hex-2-ynoic Acid; 2-Hexynoic Acid; Butylpropiolic Acid; 2-Hexyn-1-oic Acid; 2-Hexynoic acid (6CI); NSC 5111; 1-Pentyn-1-carboxylic Acid; α-Ethyltetrolic Acid
EINECS	212-123-5

Quality Control

Our 2-Hexynoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, identity confirmation, and impurity profiles. We are committed to meeting the stringent requirements of research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers, bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.